---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-037618"
form_type: "8-K"
ticker: "AMRN"
cik: "0000897448"
company_name: "AMARIN CORP PLCUK"
filed_at: "2025-03-12T23:59:59+00:00"
generated_at: "2026-05-24T23:02:28.512123+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Amarin Q4 revenue $62.3M, net loss $48.6M; announces 1-for-20 ADS reverse split to maintain listing

## Summary
- Q4 total net revenue $62.3M, down 17% YoY; net loss $48.6M vs $5.8M loss in Q4 2023.
- U.S. VASCEPA revenue fell to $44.2M from $64.9M on generic competition; European revenue rose to $4.0M, RoW to $11.9M.
- Cash and investments $294.2M at Dec 31, 2024, down from $320.7M a year earlier; no debt.
- Announces 1-for-20 ADS reverse split effective ~April 11, 2025 to comply with Nasdaq $1 minimum bid price.
- Non-GAAP adjusted net loss $8.7M ($0.02/ADS) vs adjusted loss $0.9M in Q4 2023.

## SEC filing metadata
- accession: 0000950170-25-037618
- form_type: 8-K
- ticker: AMRN
- cik: 0000897448
- company_name: AMARIN CORP PLCUK
- filed_at: 2025-03-12T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 3.03, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/897448/000095017025037618/0000950170-25-037618-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/897448/000095017025037618/amrn-20250312.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-037618
- JSON: https://secwatch.observer/filing/0000950170-25-037618.json
- Plain text: https://secwatch.observer/filing/0000950170-25-037618.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.